// Copyright 2012 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.collide.client.document.linedimensions;
import com.google.collide.client.document.linedimensions.LineDimensionsCalculatorTests.TestMeasurementProvider;
import com.google.collide.shared.document.Document;
import com.google.collide.shared.document.Line;
import junit.framework.TestCase;
/**
* Tests for {@link LineDimensionsUtils}.
*/
public class LineDimensionsUtilsTests extends TestCase {
public void testInsertionSpaceBeforeTab() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 0, " ");
assertTrue(LineDimensionsUtils.needsOffset(line));
}
public void testInsertionTabBeforeTab() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 0, "\t");
assertFalse(LineDimensionsUtils.needsOffset(line));
}
public void testInsertionSpaceAfter() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 1, " ");
assertFalse(LineDimensionsUtils.needsOffset(line));
}
public void testInsertionTabAfterTab() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 1, "\t");
assertFalse(LineDimensionsUtils.needsOffset(line));
}
public void testInsertionSpaceAtTheEndOfLine() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 4, " ");
assertFalse(LineDimensionsUtils.needsOffset(line));
}
public void testInsertionTabTheEndOfLine() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 4, "\t");
assertTrue(LineDimensionsUtils.needsOffset(line));
}
public void testInsertionSimpleMultiline() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 1, "qwe\n\t");
assertFalse(LineDimensionsUtils.needsOffset(line));
assertFalse(LineDimensionsUtils.needsOffset(line.getNextLine()));
}
public void testInsertionSpecialMultiline() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 1, "一二三\n\t");
assertTrue(LineDimensionsUtils.needsOffset(line));
assertFalse(LineDimensionsUtils.needsOffset(line.getNextLine()));
}
public void testInsertionSimpleMultilineAtTheBeginningOfLine() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 0, "qwe\n\t");
assertFalse(LineDimensionsUtils.needsOffset(line));
assertFalse(LineDimensionsUtils.needsOffset(line.getNextLine()));
}
public void testInsertionSpecialMultilineAtTheBeginningOfLine() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 0, "一二三\n\t");
assertTrue(LineDimensionsUtils.needsOffset(line));
assertFalse(LineDimensionsUtils.needsOffset(line.getNextLine()));
}
public void testInsertionSpecialMultilineAtTheEndOfLine() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 4, "一二三\n\tText");
assertTrue(LineDimensionsUtils.needsOffset(line));
assertFalse(LineDimensionsUtils.needsOffset(line.getNextLine()));
}
public void testInsertionThatMakesNextLineSpecial() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 1, "一二三\n \t");
assertTrue(LineDimensionsUtils.needsOffset(line));
assertTrue(LineDimensionsUtils.needsOffset(line.getNextLine()));
}
public void testInsertionOfLineBreakAtTheEndOfLastLine() {
Document doc = Document.createFromString("\t123");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 4, "\n");
assertFalse(LineDimensionsUtils.needsOffset(line));
assertFalse(LineDimensionsUtils.needsOffset(line.getNextLine()));
}
public void testInsertionOfLineBreakAtTheEndOfLine() {
Document doc = Document.createFromString("\t123\n456");
LineDimensionsCalculator.createWithCustomProvider(new TestMeasurementProvider(0))
.handleDocumentChange(doc);
Line line = doc.getFirstLine();
assertFalse(LineDimensionsUtils.needsOffset(line));
doc.insertText(line, 0, 4, "\n");
assertFalse(LineDimensionsUtils.needsOffset(line));
assertFalse(LineDimensionsUtils.needsOffset(line.getNextLine()));
}
}